docs: def sensitivity(Ntp, Nfn, eps=numpy.spacing(1)):
      """Sensitivity
  
      Wikipedia entry https://en.wikipedia.org/wiki/Sensitivity_and_specificity
  
      Parameters
      ----------
      Ntp : int >=0
          Number of true positives.
  
      Nfn : int >=0
          Number of false negatives.
  
      eps : float
          eps.
          Default value numpy.spacing(1)
  
      Returns
      -------
      sensitivity: float
          Sensitivity
  
      """
  
      return float(Ntp / (Ntp + Nfn + eps))